Merge pull request #1 from the-hobbes/master

Redirects in the checkbook
Added error display on the page
Added update functionality to descriptions in checkbook listings
Added update functionality to amounts, code dupication up the wazoo, need a refactor
Added querying for the current month instead of just retrieving all checkbook items
Fixed an issue where no value was actually being returned to the main finance page from the by_id_month query for CheckbookItems
Began working on Bill Tracker application
Abstracted common fields of CheckBook and Bill items to a baseItem class
Add functionality for Bills for responding to PUT, POST, and DELETE request. Also added static method to aggregate all bills
Abstracted put and delete methods to superclass ItemHandler to be inherited to billTracker and checkbook
Updated link references to WishList to be camelcased, added WishList functionality.
begun working on date picker, as per issue #2